董相廷,范立佳,王进贤,高续波,刘桂霞

• 1:长春理工大学化学与环境工程学院

摘要(Abstract)：

采用溶胶-凝胶法与静电纺丝技术相结合制备了PVP/[Ni(NO3)2+Fe(NO3)3]复合纳米纤维,在一定温度下进行热处理,得到尖晶石结构的NiFe2O4纳米纤维。利用TG-DTA、XRD、FTIR、SEM、TEM等分析手段对样品的组成及结构进行表征。TG-DTA分析表明,PVP/[Ni(NO3)2+Fe(NO3)3]复合纳米纤维的热处理温度高于450℃以后,质量恒定,总失重率为87.8%。XRD与FTIR分析表明,热处理温度高于600℃时,复合纳米纤维已经完全转变成尖晶石结构的NiFe2O4纳米纤维。SEM分析表明,所制备的PVP/[Ni(NO3)2+Fe(NO3)3]复合纤维直径在250～300nm之间,NiFe2O4纳米纤维直径约100nm,长度大于200μm。对NiFe2O4纳米纤维的形成机理进行了探讨。

关键词(KeyWords)： NiFe2O4;铁氧体;纳米纤维;静电纺丝技术

Abstract:

Keywords:

基金项目(Foundation): 吉林省科技发展计划重大项目(20070402,20060504);; 教育部科学技术研究重点项目(207026);; 长春市科技计划项目(2007045);; 吉林省教育厅“十一五”科学技术研究项目(2007-45,2006JYT05);; 吉林省环保局科技项目(2006-24)

作者(Author): 董相廷,范立佳,王进贤,高续波,刘桂霞

DOI: 10.13289/j.issn.1009-6264.2010.04.004

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